Compare Yimeixu YMX-72-330 vs Helli Zhanchuang Electronic Technology HL-220W

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 10 Years

Panel Performance

Rated Power: 330 Wp

Efficiency: 17 %

Voltage at Maximum Power VMPP: 37.6 V

Current at Maximum Power IMPP: 8.78 A

Open Circuit Voltage VOC: 46.1 V

Short Circuit Current ISC: 9.3 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.410 %/°C

Temperature Coefficient of Voc: -0.330 %/°C

Temperature Coefficient of Isc: 0.059 %/°C

Solar Panel Attributes

Weight: 22.5 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: unknown

Warranty Terms

Output Warranty:

10 Years of 90% Output Power, 25 Years of 80% Output Power

Materials Warranty: 3 Years

Panel Performance

Rated Power: 220 Wp

Efficiency: 13.4 %

Voltage at Maximum Power VMPP: 29.5 V

Current at Maximum Power IMPP: 7.46 A

Open Circuit Voltage VOC: 36.8 V

Short Circuit Current ISC: 8.06 A

Power Tolerance Positive: + 10 %

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.44 %/°C

Temperature Coefficient of Voc: -0.36 %/°C

Temperature Coefficient of Isc: 0.033 %/°C

Solar Panel Attributes

Weight: 20 kg

Cell Type: Monocrystalline

Cell Count: unknown

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 900 mm

Glass Type: Tempered